¿Cuántos gramos de CaCO3 se necesitan para hacer reaccionar completamente 1250 g de SO2? OB. 800 g
O A. 625 g
o D. 2500 g
O C. 1952 g

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Determine the reaction and balance the following equations urgent due in the morning

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.